Improvement in wheel-tires



E. COLEMAN.

Wheel-Tim` No 57,092. Patented Ang. 14, 1866.

. Imm@ i UNITED STATES- PATENT OFFICE.

EBEEZEF, COLEMAN, OF WOBURN, MASSACHUSETTS.

IMPROVEMENT `IN WHEEL-TIRES. ,l

Specification forming part of Letters Patent No. 57,092, dated August14, 1866.

To all whom it may concern:

Be it known that I, EBENEZER COLEMAN, of Woburn, in the county ofMiddlesex` and State of Massachusetts, have madera new and usefulImprovement in Wheel-Tires 5 and I do hereby declare the same to befully de.- scribed in thelfollowing specication and rep` resented in theaccompanying drawings, of Which- Figure lis a longitudinal section of awheel and its tire asprovided with my invention. Fig. 2 is a top View ofthe lower lap of the joint of the tire. Fig.3 is an underside view ofthe upper lap. e, i u

The tire A is a bar of iron bent around in the form of a hoop and havingone end lapped on the other, the laps being shown at a and b. The lowerlap has a range of notches, c c c c, made on its upper surface, toengage with one or more projections or teeth, d d, extending from thelower surface of the `upper lap, a. Furthermore, the lower lap has aslot,`e, made through it near the series of notches. Two screws, f g,provided with nuts h i, go through the upper lap. That one of them whichis next to the end of the upper lap also goes through the slot e. Bothbolts go through the folly k of the wheel B, and hold the tire to it,the nuts being screwed on the bolts Where they project beyond the innercircumference of the felly.

By means of the series of notches c c c, the teeth dd,and the slot e,arranged with respect to the laps and their confining-bolts in mannersubstantially as described, the tire `may be tightened or taken up onthe f'elly as occasion may require, the teeth and notch es serving tokeep the laps from being drawn `apart While they are secured to thefelly by the bolts.

I claim-f- The arrangement and combination of the series of notches c co and teeth d d, or their equivalents, and the slot c, With thetire-laps a b, the same being to operate together, and with a fellyY andconfining-bolts, substantially asspecitied.

EBEN. COLEMAN.

`Vlitnesses:

R. H. EDDY, F. P. HALE, Jr.

